Merge pull request #61822 from thoughtpolice/nixpkgs/add-libbpf

libbpf: init at 0.0.3pre114_672ae75

pkgs/os-specific/linux/libbpf/default.nix

@@ -0,0 +1,43 @@
+{ stdenv, fetchFromGitHub, pkgconfig
+, libelf
+}:
+
+with builtins;
+
+stdenv.mkDerivation rec {
+  name = "libbpf-${version}";
+  version = "0.0.3pre114_${substring 0 7 src.rev}";
+
+  src = fetchFromGitHub {
+    owner  = "libbpf";
+    repo   = "libbpf";
+    rev    = "672ae75b66fd8780a4214fe7b116c427e0809a52";
+    sha256 = "1bdw1hc4m95irmybqlwax85b6m856g07p2slcw8b7jw3k4j9x075";
+  };
+
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ libelf ];
+
+  sourceRoot = "source/src";
+  enableParallelBuilding = true;
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  patchPhase = ''
+    substituteInPlace ../scripts/check-reallocarray.sh \
+      --replace '/bin/rm' 'rm'
+  '';
+
+  # FIXME: Multi-output requires some fixes to the way the pkgconfig file is
+  # constructed (it gets put in $out instead of $dev for some reason, with
+  # improper paths embedded). Don't enable it for now.
+
+  # outputs = [ "out" "dev" ];
+
+  meta = with stdenv.lib; {
+    description = "Upstream mirror of libbpf";
+    homepage    = "https://github.com/libbpf/libbpf";
+    license     = with licenses; [ lgpl21 /* or */ bsd2 ];
+    maintainers = with maintainers; [ thoughtpolice ];
+    platforms   = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -8858,6 +8858,8 @@ in
   buildkite-agent2 = callPackage ../development/tools/continuous-integration/buildkite-agent/2.x.nix { };
   buildkite-agent3 = callPackage ../development/tools/continuous-integration/buildkite-agent/3.x.nix { };
 
+  libbpf = callPackage ../os-specific/linux/libbpf { };
+
   bpftool = callPackage ../os-specific/linux/bpftool { };
 
   byacc = callPackage ../development/tools/parsing/byacc { };